scourer

noun

1. （用以擦洗锅的）金属丝球，塑料丝球
   a small ball of wire or stiff plastic used for cleaning pans

1. He was a scourer of the seven seas.
   他是七大洋的漫天旅行者。
2. To improve the supercritical fluid liquid contact, a scourer rotor was used in the extraction cell, and the column was packed with Dixon ring.
   为改善气液接触，萃取器内使用了转动不锈钢箔团，精馏柱内充填了Dixon环。

noun

1. someone who travels widely and energetically
   1. he was a scourer of the seven seas

2. someone who cleanses by scouring